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DOC: Whatsnew updates
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doc/source/whatsnew/v0.20.3.txt

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.. _whatsnew_0203:
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v0.20.3 (June ??, 2017)
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v0.20.3 (July 7, 2017)
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-----------------------
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This is a minor bug-fix release in the 0.20.x series and includes some small regression fixes,
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bug fixes and performance improvements.
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We recommend that all users upgrade to this version.
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This is a minor bug-fix release in the 0.20.x series and includes some small regression fixes
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and bug fixes. We recommend that all users upgrade to this version.
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.. contents:: What's new in v0.20.3
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:local:
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:backlinks: none
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.. _whatsnew_0203.enhancements:
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Enhancements
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~~~~~~~~~~~~
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.. _whatsnew_0203.performance:
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Performance Improvements
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~~~~~~~~~~~~~~~~~~~~~~~~
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.. _whatsnew_0203.bug_fixes:
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Bug Fixes
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~~~~~~~~~
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- Fixed issue with dataframe scatter plot for categorical data that reports incorrect column key not found when categorical data is used for plotting (:issue:`16199`)
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- Fixed issue with :meth:`DataFrame.style` where element id's were not unique (:issue:`16780`)
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- Fixed a pytest marker failing downstream packages' tests suites (:issue:`16680`)
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- Fixed compat with loading a ``DataFrame`` with a ``PeriodIndex``, from a ``format='fixed'`` HDFStore, in Python 3, that was written in Python 2 (:issue:`16781`)
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- Fixed a bug in failing to compute rolling computations of a column-MultiIndexed ``DataFrame`` (:issue:`16789`, :issue:`16825`)
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- Bug in a DataFrame/Series with a ``TimedeltaIndex`` when slice indexing (:issue:`16637`)
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- Fixed a bug in failing to compute rolling computations of a column-MultiIndexed ``DataFrame`` (:issue:`16789`, :issue:`16825`)
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- Fixed a pytest marker failing downstream packages' tests suites (:issue:`16680`)
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Conversion
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^^^^^^^^^^
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- Bug in pickle compat prior to the v0.20.x series, when ``UTC`` is a timezone in a Series/DataFrame/Index (:issue:`16608`)
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- Bug in ``Series`` construction when passing a ``Series`` with ``dtype='category'`` (:issue:`16524`).
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- Bug in ``DataFrame.astype()`` when passing a ``Series`` as the ``dtype`` kwarg. (:issue:`16717`).
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- Bug in :meth:`DataFrame.astype` when passing a ``Series`` as the ``dtype`` kwarg. (:issue:`16717`).
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Indexing
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^^^^^^^^
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- Bug in ``Float64Index`` causing an empty array instead of ``None`` to be returned from ``.get(np.nan)`` on a Series whose index did not contain any ``NaN`` s (:issue:`8569`)
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- Bug in ``MultiIndex.isin`` causing an error when passing an empty iterable (:issue:`16777`)
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- Fixed a bug in a slicing DataFrame/Series that have a ``TimedeltaIndex`` (:issue:`16637`)
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I/O
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^^^
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- Bug in :func:`read_csv` in which files weren't opened as binary files by the C engine on Windows, causing EOF characters mid-field, which would fail (:issue:`16039`, :issue:`16559`, :issue:`16675`)
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- Bug in :func:`read_hdf` in which reading a ``Series`` saved to an HDF file in 'fixed' format fails when an explicit ``mode='r'`` argument is supplied (:issue:`16583`)
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- Bug in :func:`DataFrame.to_latex` where ``bold_rows`` was wrongly specified to be ``True`` by default, whereas in reality row labels remained non-bold whatever parameter provided. (:issue:`16707`)
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- Bug in :meth:`DataFrame.to_latex` where ``bold_rows`` was wrongly specified to be ``True`` by default, whereas in reality row labels remained non-bold whatever parameter provided. (:issue:`16707`)
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- Fixed an issue with :meth:`DataFrame.style` where generated element ids were not unique (:issue:`16780`)
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- Fixed loading a ``DataFrame`` with a ``PeriodIndex``, from a ``format='fixed'`` HDFStore, in Python 3, that was written in Python 2 (:issue:`16781`)
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Plotting
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^^^^^^^^
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- Fix regression in series plotting that prevented RGB and RGBA tuples from being used as color arguments (:issue:`16233`)
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Groupby/Resample/Rolling
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^^^^^^^^^^^^^^^^^^^^^^^^
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Sparse
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^^^^^^
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- Fixed regression that prevented RGB and RGBA tuples from being used as color arguments (:issue:`16233`)
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- Fixed an issue with :meth:`DataFrame.plot.scatter` that incorrectly raised a ``KeyError`` when categorical data is used for plotting (:issue:`16199`)
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Reshaping
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^^^^^^^^^
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- ``PeriodIndex`` / ``TimedeltaIndex.join`` was missing the ``sort=`` kwarg (:issue:`16541`)
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- Bug in joining on a ``MultiIndex`` with a ``category`` dtype for a level (:issue:`16627`).
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- Bug in :func:`merge` when merging/joining with multiple categorical columns (:issue:`16767`)
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Numeric
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^^^^^^^
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Categorical
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^^^^^^^^^^^
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- Bug in ``DataFrame.sort_values`` not respecting the ``kind`` with categorical data (:issue:`16793`)
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Other
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^^^^^
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- Bug in ``DataFrame.sort_values`` not respecting the ``kind`` parameter with categorical data (:issue:`16793`)

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